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    1990 ProV 150 - Water flow problem

    I recently had the tilt/trim motor replaced on my ProV 150. I brought the boat home and parked it in the garage. I connected muffs and a water supply to the lower unit at the water inlet. I started the motor and ran it about 10 minutes or so. Water flowed through the system without an issue...
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    Trim/Tilt rebuild

    Is it possible to rebuild the trim/tilt motor on a 1990 ProV 150 without taking it off the boat?
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    Trim/Tilt Motor 1990 Yamaha ProV 150

    I took the boat out to our local lake this weekend. While I was there I noticed the pitch on the trim/tilt motor changed (sounded different) as it trimmed up and down. The more it worked, the slower it would get. After a few times of trimming up and down, it would crawl to a stop, and then...
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    1990 ProV 150 speedometer not working

    I have a problem regarding my Yamaha ProV 150 speedometer. I have the yamaha digital gauges, but the readout for the speedometer quick working this weekend. It seemed to work fine in the past, but now there is no reading. Any suggestions on where to start?
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    No Seal in Main oil tank

    I received the new water traps today with some other parts. I cut the water trap off the main oil tank and drained it into a funnel with a fine mesh screen that I hoped would filter out any trash. There wasn't any trash in the oil that came out of the tank. I turned up the water trap into a...
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    Oil Line

    I'm wanting to change the location of the remote oil tank on my Ranger 481V. When I pulled the oil tank out, there wasn't a lot of slack in the oil line going to the motor. I would like to add about 18 inches or so. I talked to a local dealer about getting some additional line. He said most...
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    Water Trap on Main Oil Tank

    I've been trying to find a replacement water trap for the main (motor) oil tank on my 1990 Yamaha ProV 150. I don't seem to be able to find one separate from the oil tank. It looks like it's sold as one item. I don't need another oil tank. I just need a new water trap. Can I buy these...
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    1990 ProV 150

    I've been reading through the maintenance section of my Secloc manual. I'm getting a general idea of all the things that need to be looked at periodically to make sure the motor stays in good working order. As a general question, is there anything outside of the manual that I would need to...
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    UPDATE: oil pump on remote tank....I think

    I'm troubleshooting the precision blend system on my 1990 Yamaha ProV 150. I've checked all the continuity based on posts I've found on this forum, and the results fall in line with what others have posted. The last thing I tried was to turn the key on to apply 12V to the brown wire going to...
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    Yamaha Engine mounted oil tank

    I have a 1990 Yamaha ProV 150. I'm having trouble with the remote oil tank pumping oil into the engine mounted tank. I'm working on trying to figure out what that issue is. I have one other question. I've noticed posts on the forum by Rodbolt that say. "NEVER remove the engine tank...
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    1990 150 PROV LD Oil injection problem

    I recently purchased a 1991 Ranger 481V with a Yamaha ProV 150 (LD) outboard motor. I've had it out a few times without any issues. This last week (Thanksgiving), my family and I went camping and took the boat to a local lake. I took it out at least once a day....never traveling very far to...
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